/***************************************************************************
 *   Copyright (C) 2009 by Mayank Lahiri   *
 *   mlahiri@gmail.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef __TOK_H
#define __TOK_H

#include<vector>
using namespace std;

class Tokenizer	{
	public:
		Tokenizer();
		~Tokenizer();
		Tokenizer(char *str);
		void tokenize(char *str);
		char *token();
		char *token(int which) { return tokens[which]; };
		void next();
		int num_tokens() { return tokens.size(); };
		bool operator()() { return cur_token < tokens.size(); };

	private:
		unsigned cur_token;
		vector<char *> tokens;
		char *str_copy;
		int str_copy_size;
};

#endif
